$icon-dimensions: $size-normal;
$icon-dimensions-small: $size-small;
$icon-dimensions-medium: $size-medium;
$icon-dimensions-large: $size-large;

i {
  @each $name, $pair in $colors {
    $color: nth($pair, 1);
    &.is-#{$name} {
      color: $color;
    }
  }
}
